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1、江汉大学毕业论文（设计）外文翻译姓名学号2012年3月1日外文原文SinglechipmicrocomputerandthedevelopmentofthetemperatureandhumiditysensorBorninthe1970ssinglechipmicrocomputer,andexperiencetheSCM,MCU,SOCthreephases.(1)SCMnamelySingleChipcomputerstage,mainistoseekoutthemonolithicformsoftheembedde
2、dsystembestsystemstructure."Innovationmode"success,laidtheSCMandgeneralcomputercompletelydifferentdevelopmentroad.(2)MCUnamelyMicroController(MicroControllerUnit)stage,themaintechnologicaldevelopmentdirectionis:expandingmeetembeddedapplication,theobjectsystemrequi
3、rementsofvariousperipheralcircuitandinterfacecircuit,dashforwardshowitsobjecttheintelligentcontrolability.(3)MCUisembeddedsystemindependentdevelopmentway,toakeyfactortothedevelopmentofMCUstage,istoseekapplicationsystemonachipinthemaximizationofthesolution;Therefor
4、e,specialMCUdevelopmentnaturalformtheSOCtendency.Withmicroelectronicstechnology,ICdesign,EDAtoolsdevelopment,basedonthesinglechipmicrocomputerapplicationsystemSOCdesigncanhavelargerdevelopment.Temperatureisabasicphysicalquantities,everythinginnatureiscloselyrelate
5、dwiththeprocessoftemperature.Thetemperaturesensoristheearliestdevelopment,themostwidelyusedkindofsensor.From17thcenturypeoplebegantousetemperaturemeasuring.Thetemperaturesensortherearefourmaintypes:thermocouple,thermalresistance,resistancetemperaturedetector(RTD)a
6、ndtemperaturesensorIC.ICtemperaturesensorandincludinganalogoutputanddigitaloutputtwotypes.Contacttemperaturesensordetectionpartandthetestedobjecthasagoodcontact,andcallsthethermometer.Thethermometerthroughthetransmissionorconvectionreachthermalequilibrium,thusmake
7、thethermometerandvaluecanbemeasureddirectlysaysthetemperatureoftheobjects.Generalmeasurementprecision.Inacertaintemperaturerange,thethermometercanalsobemeasuringobjectsofinternaltemperaturedistribution.Butforsportsbody,smalltargetorheatcapacityisverysmallobjectswi
8、llproducelargermeasurementerror,commonlyusedathermometerhavetwo-metalthermometer,glassliquidthermometer,pressuretypethermometer,resistancethermometers,t
